GM Service Manual Online
For 1990-2009 cars only

Body Control Module (BCM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/Engine OFF

Accessory

Ignition

Off/ On

On

Battery 1

Ignition

Volts

12.00

Ignition Accessory

Ignition

Active/Inactive

Active

Ignition Mode Switch

Ignition

Volts

4.37

Ignition Run/Crank

Ignition

Low/High

High

Key in Ignition

Ignition

Yes/No

Yes

Last 4 Digits of Part No.

ID Information/Module Information

Numeric

8617

Last 4 Digits of SDM Part No.

ID Information/Module Information

Numeric

5283

Power Mode

Ignition

Off/Accy/Run

Run

Run/Crank Relay Command

Ignition

Off/On

On

Vin Number.

ID Information/Vin Information

Alphanumeric

1GAL52F93Z0072EX